KR960015691B1 - Brake lock-system - Google Patents

Brake lock-system Download PDF

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Publication number
KR960015691B1
KR960015691B1 KR1019940011299A KR19940011299A KR960015691B1 KR 960015691 B1 KR960015691 B1 KR 960015691B1 KR 1019940011299 A KR1019940011299 A KR 1019940011299A KR 19940011299 A KR19940011299 A KR 19940011299A KR 960015691 B1 KR960015691 B1 KR 960015691B1
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KR
South Korea
Prior art keywords
switch
relay
valve
closing
operated
Prior art date
Application number
KR1019940011299A
Other languages
Korean (ko)
Other versions
KR950031719A (en
Inventor
한영수
Original Assignee
아시아자동차공업 주식회사
조래승
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Priority to KR1019940011299A priority Critical patent/KR960015691B1/en
Publication of KR950031719A publication Critical patent/KR950031719A/en
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Publication of KR960015691B1 publication Critical patent/KR960015691B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/26—Compressed-air systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/08—Brake-action initiating means for personal initiation hand actuated
    • B60T7/085—Brake-action initiating means for personal initiation hand actuated by electrical means, e.g. travel, force sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2302/00—Responses or measures related to driver conditions
    • B60Y2302/03—Actuating a signal or alarm device

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The system is designed to operate a brake by applying hydraulic power to a wheel cylinder (49) of rear wheel when a parking lever (21) is pulled to certain limit. The system comprises: a power supply (11) connected to a key switch (12); a power relay (13); an operation section (20); an operation ready switch (14); a parking switch (23); an indicator section (30); a micro switch (24); an operation section relay (25); an operation ready indicator lamp (31); an indicator section relay (32); a normal operation lamp (33); a pressure switch (41); a relay valve (46); a magnetic valve (43); an air tank (42); a double check valve (44); and an air booster (48).

Description

브레이크 록 시스템Brake lock system

제1도는 본 발명의 일실시예에 의한 브레이크 록 시스템의 구성회로도.1 is a configuration circuit diagram of a brake lock system according to an embodiment of the present invention.

제2도는 본 발명의 브레이크 록 시스템을 작동부의 마그네틱 밸브를 예시한 단면도.2 is a cross-sectional view illustrating a magnetic valve of an operating part of the brake lock system of the present invention.

제3도는 본 발명의 브레이크 록 시스템을 이루는 작동부의 더블 첵 밸브의 단면도이다.3 is a cross-sectional view of a double check valve of an operating part of the brake lock system of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 작동준비부 11 : 전원(Battery)10: operation preparation unit 11: power (Battery)

12 : 키 스위치(Key S/W) 13 : 파워 릴레이(Power Relay)12: Key Switch (Key S / W) 13: Power Relay

14 : 작동준비 스위치 20 : 조작부14: operation ready switch 20: control panel

21 : 주차 레버 22 : 주차 램프21: parking lever 22: parking lamp

23 : 주차 스위치 24 : 마이크로 스위치23: parking switch 24: micro switch

25 : 조작부 릴레이 30 : 지시부25: operation unit relay 30: indicator

31 : 작동준비 지시램프 32 : 지시부 릴레이31: operation ready indicator lamp 32: indicator relay

33 : 정상 작동 램프 34 : 밸브 보디33: Normal operation lamp 34: Valve body

35 : 경고부저 36 : 밸브35: warning buzzer 36: valve

37 : 코일 40 : 작동부37: coil 40: operating part

41 : 압력 스위치 42 : 에어탱크41: pressure switch 42: air tank

43 : 마그네틱 밸브 44 : 더블 첵 밸브43: magnetic valve 44: double check valve

45 : 에어파이프 46 : 릴레이 밸브45: air pipe 46: relay valve

47 : 브레이크 탱크 48 : 에어 부스터(Air Booster)47: brake tank 48: air booster

49 : 휘일실린더 50 : 주브레이크밸브49: wheel cylinder 50: main brake valve

51 : 밸브 보디 52 : 밸브 가이드51: valve body 52: valve guide

53 : 밸브53: valve

본 발명은 차량이 엔진 작동 상태에서 경사로 정차시 차량의 안전성 및 운전자 편의를 향상시키기 위해 주차 레버를 일정 한도 이상 당기면 후륜의 휘일실린더에 유압을 공급하여 브레이크를 작동시킬 수 있도록 구성된 회로의 스위치가 작동되어 차량의 밀림을 방지한 브레이크 록 시스템(Brake Lock-System)에 관한 것이다.According to the present invention, when the vehicle stops on a slope in an engine operating state, a switch of a circuit configured to operate the brake by supplying hydraulic pressure to the wheel cylinder of the rear wheel is operated when the parking lever is pulled over a certain limit to improve the safety and driver's comfort of the vehicle. It relates to a brake lock system (Brake Lock System) to prevent the vehicle from rolling.

일반적으로 차량이 오르막길에서 정차했다가 다시 출발하는 경우, 주차 레버를 조였다가 다시 해제시키는 동시에 액셀 페달을 밟으면서 출발하게 되는데, 이때, 오르막길에서 정차했던 차량은 자체의 하중 및 관성력에 의해서 뒤로 밀리게 되어 시동이 꺼지거나 뒤따라오던 차량과 접촉사고를 빚게되는 사태가 발생했었다.In general, when the vehicle stops on an uphill road and starts again, the parking lever is released by pressing and releasing the parking lever and pressing the accelerator pedal, and the vehicle stopped on the uphill road is pushed back by its own load and inertia force. There was a situation in which the ignition was turned off or a contact accident occurred with the following vehicle.

또한 오르막길에서 정차했다가 다시 출발할때 뒤로 밀리지 않고 정상적으로 출발하기 위해서는 운전자에게 상당한 주의와 노력이 필요했었으며, 운전 경력이 많지 않은 운전자들은 이로인해 항상 불안을 느껴야만 했었다.In addition, the driver had to be very careful and effort to stop normally and not to be pushed back when starting again, and the driver who had little driving experience had to feel anxious all the time.

본 발명의 목적은 상기한 불편을 해소하기 위한 것으로 차량이 오르막길에서 정차시 확실한 제동상태를 유지시킬 수 있도록 함으로써 운전자에게 편의를 줄 수 있고 사고를 방지할 수 있는 수단을 제공하는데 있다.An object of the present invention is to solve the above-mentioned inconvenience, to provide a means for providing a convenience to the driver and to prevent accidents by allowing the vehicle to maintain a stable braking state when stopping at an uphill road.

상기한 목적을 달성하기 위하여 본 발명은 주차 레버를 일정 한도 이상으로 당기게 되면 작동되는 마이크로 스위치와 마이크로 스위치의 개폐동작에 의해 마그네틱 밸브가 개폐되어 에어탱크의 에어가 더블 첵 밸브를 통하여 릴레이 밸브에 흘러 에어 부스터를 작동시킴으로써 후륜의 휘일실린더에 유압을 공급시켜 제동할 수 있도록 구성된 브레이크 록 시스템(Brake Lock-System)을 제공한 것이며, 또한 본 발명에 의한 브레이크 록 시스템은 브레이크 록 시스템의 작동준비 스위치 및 작동준비 지시램프로 구성된 작동준비부와 브레이크 록 시스템의 정상적인 작동을 감지할수 있는 압력 스위치 및 압력 스위치의 개폐에 의해 작동되는 정상 작동 램프와 상술한 마그네틱 밸브의 고장으로 브레이크 록 시스템이 작동되지 않으면 정상 작동 램프가 소등되고 브레이크 록 시스템이 작동 정지됨을 알리는 경고부저로 구성된 지시부를 포함시켜 구성된 것이다.In order to achieve the above object, the present invention is a magnetic valve is opened and closed by the opening and closing operation of the micro switch and the micro switch is operated when the parking lever is pulled over a certain limit, the air of the air tank flows through the double valve valve to the relay valve Provided is a brake lock system (Brake Lock-System) configured to brake by supplying hydraulic pressure to the wheel cylinder of the rear wheel by operating the air booster, and the brake lock system according to the present invention is an operation preparation switch of the brake lock system and If the brake lock system does not work due to the failure of the above-mentioned magnetic valve and the normal operation lamp operated by opening and closing of the pressure switch and the pressure switch that can detect the normal operation of the brake lock system, The operation lamp goes out It consists of an indicator which consists of a warning buzzer to indicate that the brake lock system is to be stopped.

이하 본 발명의 일실시예를 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

제1도는 본 발명의 일실시예에 의한 브레이크 록 시스템의 구성을 예시한 회로도이며 대체로 작동준비부(10)와 조작부(20) 및 지시부(30)와 작동부(40)로 구성된 것이다.1 is a circuit diagram illustrating the configuration of a brake lock system according to an embodiment of the present invention and is generally composed of an operation preparation unit 10, an operation unit 20, an indicator unit 30, and an operation unit 40.

상기 작동준비부(10)는 차량의 전원(11)이 연결된 키 스위치(12)의 개폐에 의해 작동되는 파워 릴레이(13)와 파워 릴레이(13)의 작동에 의해 전원(11)에서 공급된 전류를 조작부(20)와 지시부(30)로 공급/차단시키게 되는 작동준비 스위치(14)로 구성된 것이다.The operation preparation unit 10 is a current supplied from the power source 11 by the operation of the power relay 13 and the power relay 13 is operated by the opening and closing of the key switch 12 connected to the power source 11 of the vehicle. It is composed of the operation ready switch 14 to supply / cut off to the operation unit 20 and the indicator 30.

조작부(20)는 전술한 작동준비부(10)의 파워 릴레이(13)에 연결된 공지의 주차 램프(22) 및 주차 스위치(23)와 작동준비부(10)의 작동준비 스위치(14)에 일단이 연결되고 지시부(30)와 작동부(40)로 타단이 연결되어 주차 레버(21)를 일정한도 이상 당기면 작동되도록 한 마이크로 스위치(24) 및 마이크로 스위치(24)의 개폐에 의해 작동되는 조작부 릴레이(25)로 구성된 것이다.The operation unit 20 is once connected to the known parking lamp 22 and the parking switch 23 connected to the power relay 13 of the operation preparation unit 10 and the operation preparation switch 14 of the operation preparation unit 10 described above. Is connected and the other end is connected to the indicator 30 and the operation unit 40, the operation unit relay operated by opening and closing of the micro switch 24 and the micro switch 24 to be operated by pulling the parking lever 21 over a certain degree. It consists of (25).

지시부(30)는 작동준비부(10)의 작동준비 스위치(14)의 개폐에 의해 작동되는 작동준비 지시램프(31)와 후술하는 작동부(40)의 압력 스위치(41)의 개폐에 의해 작동되는 지시부 릴레이(32) 및 지시부 릴레이(32)의 개폐에 의해 작동되는 정상 작동 램프(33)와 압력 스위치(41)의 개폐에 의해 작동되는 경고부저(35)로 구성된 것이다.The indication unit 30 is operated by opening and closing the operation preparation instruction lamp 31 which is operated by opening and closing the operation preparation switch 14 of the operation preparation unit 10 and the pressure switch 41 of the operation unit 40 described later. It is composed of a normal operation lamp 33 is operated by the opening and closing of the indicator relay 32 and the indicator relay 32 and the warning buzzer 35 is operated by the opening and closing of the pressure switch 41.

또한 작동부(40)는 마그네틱 밸브(43)와 더블 첵 밸브(44, Double check valve) 및 릴레이 밸브(46)로 구성된 것으로 마그네틱 밸브(43)는 조작부(20)의 마이크로 스위치(24)의 개폐동작에 의해 작동되어 에어탱크(42)의 에어를 더블 첵 밸브(44, Double check valve)와 릴레이 밸브(46, Relay Valve)를 통하여 에어부스터(48, Air Booster)로 공급/차단시키게 된다.In addition, the operation unit 40 is composed of a magnetic valve 43, a double check valve (44, Double check valve) and a relay valve 46, the magnetic valve 43 is the opening and closing of the micro switch 24 of the operation unit 20 It is operated by the operation to supply / block the air of the air tank 42 to the air booster 48 through the double check valve (44, Double check valve) and the relay valve (46, Relay Valve).

압력 스위치(41)는 마그네틱 밸브(43)가 설치된 에어탱크(42)와 더블 첵 밸브(44)사이, 상세히는 더블 첵 밸브(44)로 유입되는 에어 파이프(45)에 부착되어 에어의 압력이 일정한도 이하로 떨어지면 작동되어 지시부(30)의 릴레이(32)를 작동시키게 된다.The pressure switch 41 is attached between the air tank 42 in which the magnetic valve 43 is installed and the double check valve 44, and in detail, to the air pipe 45 flowing into the double check valve 44, so that the pressure of the air is increased. When it falls below a certain degree, it is operated to operate the relay 32 of the indicator unit 30.

제2도는 상기한 마그네틱 밸브(43)를 예시한 것으로 밸브 보디(34), 밸브(36) 및 코일(37)로 구성되며 상기한 에어탱크(42)에 접속되는 접속구(a)와 더블 첵 밸브(44)에 연결되는 접속구(d) 및 배출포트(c)가 형성되어 있다.2 is a view illustrating the magnetic valve 43 described above. The valve body 34, the valve 36, and the coil 37 are connected to the air tank 42. A connection port (d) and a discharge port (c) connected to (44) are formed.

제3도는 더블 첵 밸브(44)를 예시한 단면도이다.3 is a cross-sectional view illustrating the double shock valve 44.

예시한 바와 같이 더블 첵 밸브(44)는 밸브 보디(51), 밸브 가이드(52) 및 밸브(53)로 구성되며 마그네틱 밸브(43)에 접속되는 접속구(m), 주 브레이크 밸브(50)에 접속되는 접속구(b) 및 에어 부스터(48)에 접속되는 접속구(c)가 형성되어 있다.As illustrated, the double check valve 44 is composed of a valve body 51, a valve guide 52, and a valve 53, and is connected to the connection port m and the main brake valve 50 connected to the magnetic valve 43. The connection port b to be connected and the connection port c to be connected to the air booster 48 are formed.

더블 첵 밸브(44)는 브레이크 록 시스템 작동시 마그네틱 밸브(43)가 열러 에어탱크 42)의 에어가 접속구(m)로 보내지면 밸브(53)가 이동하여 주 브레이크 밸브(50)로 접속되는 접속구(b)를 폐쇄시키고 접속구(c)를 통하여 에어 부스터(48)로 에어를 공급하게 된다.The double check valve 44 is connected to the main brake valve 50 by moving the valve 53 when the magnetic valve 43 is opened during operation of the brake lock system and the air in the air tank 42 is sent to the connection port m. (b) is closed and air is supplied to the air booster 48 through the connection port (c).

브레이크 록 시스템을 사용하지 않을때에는 주 브레이크 밸브(50)를 조작함으로써 더블 첵 밸브(44)의 밸브(53)가 마그네틱 밸브(43)에 접속되는 접속구(m)를 폐쇄시키고 접속구(c)를 통하여 브레이크 탱크(47)의 에어를 에어 부스터(48)로 공급하여 차량의 제동을 하게 된다.When not using the brake lock system, by operating the main brake valve 50, the valve 53 of the double check valve 44 is connected to the magnetic valve 43 to close the connection port m, and through the connection port c. The air of the brake tank 47 is supplied to the air booster 48 to brake the vehicle.

상기한 구성을 갖는 본 발명에 의한 브레이크 록 시스템을 작동시키기 위해서는 먼저 차량의 키이 스위치(12)를 온(on)시키면 파워 릴레이(13)가 작동되어 작동준비 스위치(14)로 전원(11)이 공급되며, 작동준비 스위치(14)를 온(on)시키고 주차 레버(21)를 일정한도 이상 당기면 마이크로 스위치(24)가 온(ON)되어 조작부 릴레이(25)가 작동되고, 이때 작동부(40)의 마그네틱 밸브(43)가 열리게 된다.In order to operate the brake lock system according to the present invention having the above-described configuration, when the key switch 12 of the vehicle is first turned on, the power relay 13 is operated so that the power source 11 is operated by the operation preparation switch 14. When the operation preparation switch 14 is turned on and the parking lever 21 is pulled over a certain degree, the micro switch 24 is turned on to operate the operation unit relay 25, and at this time, the operation unit 40 is operated. ) Magnetic valve 43 is opened.

이때 에어탱크(42)의 에어가 더블 첵 밸브(44)를 통해 에어 부스터(48) 전방의 릴레이 밸브(46)를 작동시켜 주 브레이크를 밟는것과 동일하게 유압을 생성시켜 이 유압을 뒷바퀴의 휘일실린더(49)로 공급하여 제동상태를 유지하게 되는 것이다.At this time, the air in the air tank 42 actuates the relay valve 46 in front of the air booster 48 through the double shock valve 44 to generate hydraulic pressure in the same way as the main brake is applied to generate the hydraulic pressure. Supply to (49) to maintain the braking state.

또한 제동상태를 해제하기 위해서 주차 레버(21)를 해제하면 마이크로 스위치(24)가 오프(OFF)되어 마그네틱 밸브(43)가 닫히게 되면 릴레이 밸브(46)의 에어가 마그네틱 밸브(43)의 배출 포트(c)를 통해 대기로 방출되고 뒷바퀴의 휘일실린더(49)에 생성된 유압이 떨어져 제동이 해제되는 것이다.In addition, when the parking lever 21 is released to release the braking state, the micro switch 24 is turned off, and when the magnetic valve 43 is closed, the air of the relay valve 46 is discharged from the magnetic valve 43. (c) is released into the atmosphere and the hydraulic pressure generated in the wheel cylinder 49 of the rear wheel is dropped and the braking is released.

본 발명 브레이크 록 시스템의 작동상태를 운전자가 인식할 수 있도록 구성된 지시부(30)에서는 작동준비부(10)의 작동준비 스위치(14)를 온(ON)시키면 작동준비가 완료되었음을 알리는 작동준비 지시램프(31)가 점등되고, 조작부(20)의 주차 레버(21)를 일정한도 이상 당기면 마이크로 스위치(24)가 온(ON)되어 작동부(40)의 마그네틱 밸브(43)를 열게되는 동시에 정상 작동 램프(33)가 점등되어 운전자에게 브레이크 록 시스템이 정상적으로 작동되고 있음을 알리게 되는 것이다.In the indication unit 30 configured to allow the driver to recognize the operating state of the brake lock system of the present invention, when the operation preparation switch 14 of the operation preparation unit 10 is turned on, the operation preparation instruction lamp informing that the operation preparation is completed. (31) is turned on, and when the parking lever 21 of the operation unit 20 is pulled over a certain degree, the micro switch 24 is turned on to open the magnetic valve 43 of the operation unit 40, and at the same time normal operation. The lamp 33 is turned on to inform the driver that the brake lock system is operating normally.

또한 브레이크 록 시스템의 작동중 마그네틱 밸브(43)의 고장이나 에어의 누출로 인해 에어 파이프(45)내의 압력이 일정 이하로 되면 압력 스위치(41)가 온(ON)되어 지시부(30)의 릴레이(32)를 오프(OFF)상태가 되게 함으로써 정상 작동 램프(33)가 소등되고 경고부저(35)가 울리게 되어 브레이크 록 시스템의 이상을 운전자에게 알리게 된다.In addition, when the pressure in the air pipe 45 becomes lower than a certain level due to a failure of the magnetic valve 43 or the leakage of air during the operation of the brake lock system, the pressure switch 41 is turned on and the relay of the indicator unit 30 ( By turning OFF 32, the normal operation lamp 33 goes out and the warning buzzer 35 sounds, thereby informing the driver of an abnormality of the brake lock system.

상기한 바와 같이 본 발명에 의한 브레이크 록 시스템은 차량이 오르막길에 정차시 작동준비부의 작동준비 스위치를 켜고 조작부의 주차 레버를 일정한도 이상 당기게 되면 마이크로 스위치가 작동되어 에어탱크의 에어가 더블 첵 밸브를 통해 에어 부스터에 보내져 이에 대응하는 액압을 후륜의 휘일실린더에 공급하여 확실한 제동상태를 유지할 수 있으며, 지시부의 작동준비 지시램프와 정상 작동 램프 및 경고부저에 의해 운전자가 브레이크 록 시스템의 작동준비 상태 및 작동 이상의 유무를 알 수 있게 됨으로써 차량의 주행중 오르막길에서의 정차 및 재출발을 용이하게 할 수 있는 효과를 갖는다.As described above, in the brake lock system according to the present invention, when the vehicle is stopped on an uphill road, the operation switch of the operation preparation unit is turned on, and when the parking lever of the operation unit is pulled over a certain degree, the micro switch is operated so that the air in the air tank is released from the double check valve. It is sent to the air booster and the corresponding hydraulic pressure can be supplied to the wheel cylinder of the rear wheel to maintain a certain braking state.The driver's operation readiness indicator lamp, normal operation lamp and warning buzzer allow the driver By being able to know whether there is an abnormal operation, the vehicle has an effect of facilitating stopping and restarting on an uphill road.

Claims (2)

주차 레버를 일정한도 이상으로 당기게 되면 작동되는 마이크로 스위치와 마이크로 스위치의 개폐동작에 의해 마그네틱 밸브가 개폐되어 에어탱크의 에어가 더블 첵 밸브를 통하여 릴레이 밸브에 흘러 에어 부스터를 작동시킴으로써 후륜의 휘일실린더에 유압을 공급시켜 제동할 수 있도록 한 차량의 브레이크 록 시스템에 있어서, 주차 레버(21)를 일정한도 이상 당기면 후륜의 휘일실린더(49)에 유압을 공급하여 브레이크를 작동시킬 수 있도록 구성시킨 것을 특징으로 하는 브레이크 록 시스템.When the parking lever is pulled over a certain degree, the magnetic valve is opened and closed by the opening / closing action of the micro switch and the micro switch, and the air of the air tank flows through the double check valve to the relay valve to operate the air booster to the rear wheel cylinder. In a brake lock system of a vehicle in which the hydraulic pressure is supplied and braked, when the parking lever 21 is pulled over a certain level, the brake lock system is configured to supply hydraulic pressure to the wheel cylinder 49 of the rear wheel to operate the brake. Brake lock system. 제1항에 있어서, 브레이크 록 시스템은 차량의 전원(11)이 연결된 키이스위치(12)의 개폐에 의해 작동되는 파워 릴레이(13)와 파워 릴레이(13)의 작동에 의해 전원(11)에서 공급된 전류를 조작부(20)와 지시부(30)로 공급 차단시키는 작동준비 스위치(14)로 구성된 작동준비부(10), 작동준비부(10)의 파워 릴레이(13)에 연결된 공지의 주차 램프(22) 및 주차스위치(23)와 작동준비부(10)의 작동준비 스위치(14)에 일단이 연결되고 지시부(30)와 작동부(40)로 타단이 연결되어 주차 레버(21)를 일정한도 이상 당기면 작동되는 마이크로 스위치(24) 및 마이크로 스위치(24)의 개폐에 의해 작동되는 조작부 릴레이(25)로 구성된 조작부(20), 작동준비부(10)의 작동준비 스위치(14)의 개폐에 의해 작동되는 작동준비 지시램프(31)와 작동부(40)의 압력스위치(41)의 개폐에 의해 작동되는 지시부 릴레이(32) 및 지시부 릴레이(32)의 개폐에 의해 작동되는 정상 작동 램프(33)와 압력스위치(41)의 개폐에 의해 작동되는 경고부저(35)로 구성된 지시부(30), 마그네틱 밸브(43)와 더블 첵 밸브(44) 및 릴레이 밸브(46)로 구성되어 마그네틱 밸브(43)는 조작부(20)의 마이크로 스위치(24)의 개폐동작에 의해 작동되어 에어탱크(42)에 에어를 더블 첵 밸브(44)와 릴레이 밸브(46)를 통하여 에어부스터(48)로 공급/차단시키는 작동부(40)를 포함하여 이루어진 것을 특징으로 하는 브레이크 록 시스템.2. The brake lock system according to claim 1, wherein the brake lock system is supplied from the power supply (11) by the operation of the power relay (13) and the power relay (13) operated by opening and closing the key switch (12) to which the power supply (11) of the vehicle is connected. Known parking lamp connected to the operation preparation unit 10 consisting of an operation preparation switch 14 for shutting off the supplied current to the operation unit 20 and the indicating unit 30, the power relay 13 of the operation preparation unit 10 ( 22) and one end of the parking switch 23 and the operation preparation switch 14 of the operation preparation unit 10 and the other end of the parking unit 21 and the operation unit 40 are connected to the parking lever 21. By the opening and closing of the operation preparing switch 20 of the operation preparing portion 10 and the operating portion 20 composed of the operation switch relay 25 operated by opening and closing of the micro switch 24 and the micro switch 24 which are operated by pulling the abnormality. Is operated by opening and closing of the operation preparation indicator lamp 31 and the pressure switch 41 of the operating part 40 Indication unit 30, a magnetic valve composed of a normal operation lamp 33 operated by opening and closing the time relay 32 and the indicator relay 32 and a warning buzzer 35 operated by opening and closing the pressure switch 41. 43 and the double check valve 44 and the relay valve 46, the magnetic valve 43 is operated by the opening and closing operation of the micro switch 24 of the operation unit 20 to double the air to the air tank 42 A brake lock system, characterized in that it comprises an actuating portion (40) for supplying / closing the air booster (48) through a valve (44) and a relay valve (46).
KR1019940011299A 1994-05-24 1994-05-24 Brake lock-system KR960015691B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100384527B1 (en) * 2000-10-18 2003-05-22 기아자동차주식회사 Assistant brake apparatus for parking large vehicle

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100481446B1 (en) * 1997-07-28 2005-08-01 대우종합기계 주식회사 Apparatus and method for controlling parking brake in a electric motor forklift truck
KR101131739B1 (en) * 2006-04-28 2012-04-05 주식회사 만도 A method of preventing vehilce roll-back for a vehicle having an automatic transmission

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100384527B1 (en) * 2000-10-18 2003-05-22 기아자동차주식회사 Assistant brake apparatus for parking large vehicle

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